Standard Guide for Use of Dual-Wall Reverse-Circulation Drilling for Geoenvironmental Exploration and the Installation of Subsurface Water Quality Monitoring Devices
NORMA vydána dne 1.6.2018
Designation standards: ASTM D5781/D5781M-18
Note: NEPLATNÁ
Publication date standards: 1.6.2018
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: American technical standard
Kategorie: Technické normy ASTM
Keywords:
down-the-hole hammer (DTH) drilling, drilling, dual-wall reverse-circulation drilling method(s), geoenvironmental exploration, groundwater, percussion-hammer drilling method, triple-wall percussion-hammer drilling method, vadose zone ,, ICS Number Code 73.100.30 (Equipment for drilling and mine excavation)